Use front end rounding to estimate the answer. Then use your estimate to select the correct exact answer.7 - 6.526
A. 4.74
B. 0.474
C. 0.0474
Answer: B
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Match the vector equation with the correct graph.
r(t) = -3ti + 2tj + 2tk; 0 ? t ? 1
A. Figure 3 B. Figure 5 C. Figure 1 D. Figure 8
Solve the problem.Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 12 hours. If he trained for 2
hours on the first day and 3
hours on the second day, how many hours would he need to train on the third day?
A. 6 hr
B. 6
hr
C. 5
hr
D. 5
hr
A surveyor measures an angle to be 13° 15° 36". In order to use this measure in his calculations he must convert it to degrees. Express this angle measure in degrees and a decimal fraction of one degree.
What will be an ideal response?
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 809. Find a linear equation which fits this data, and which relates score to review time. Use this equation to predict an average score for persons taking a 50-hour review course. Round your answer to the tenths place.
A. 718.7 B. 707.2 C. 728.5 D. 714.5